/Engine/Plugins/Editor/EditorScriptingUtilities/Source/EditorScriptingUtilities/Public/EditorLevelLibrary.h
Saves all Level currently loaded by the World Editor.
True if the operation succeeds.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Editor Scripting | Level Utility", Meta=(DeprecatedFunction, DeprecationMessage="The Editor Scripting Utilities Plugin is deprecated - Use the function in Level Editor Subsystem")) static bool SaveAllDirtyLevels()